diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 3ea2b209c8..654af83d97 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -167,7 +167,7 @@ endif()
 
 #
 set(CMAKE_C_FLAGS
-  "${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} -std=gnu99 -Wall -Wstrict-prototypes -fno-strict-aliasing -rdynamic -funroll-loops -Wno-packed-bitfield-compat -fPIC")
+  "${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} -std=gnu99 -Wall -Wstrict-prototypes -fno-strict-aliasing -rdynamic -funroll-loops -Wno-packed-bitfield-compat -fPIC -mavx512f -mavx512cd -mavx512bw -mavx512dq -mavx512vl -mavx512ifma -mavx512vbmi")
 # add autotools definitions that were maybe used!
 set(MKVER "'MAKE_VERSION(a,b,c)=((a)*256+(b)*16+c)'")
 set(CMAKE_C_FLAGS